import Vue from 'vue'
import Router from 'vue-router'
import Home from '@/pages/home/Home'
import City from '@/pages/city/City'
import Detail from '@/pages/detail/Detail'
Vue.use(Router)

//导出路由的配置项
//当用户访问根路径的时候，给用户返回的是helloWorld组件
export default new Router({
  routes: [
    {
      path: '/',
      name: 'Home',
      component: Home
    },{
      path: '/city',
      name: 'City',
      component: City
    },{
      path: '/detail/:id',  //:id表示动态路由
      name: 'Detail',
      component: Detail
    }],scrollBehavior (to, from, savedPosition) {
      //scrollBehavior在按下 后退/前进 按钮时，就会像浏览器的原生表现那样
      if (savedPosition) {
        return savedPosition
      } else {
        return { x: 0, y: 0 }
      }
    }

})
